is_current method added to check an event is current and function addded to refresh conference_wide_information

spec/models/event_spec.rb

@@ -327,4 +327,29 @@ describe Event do
       expect(other_event.week).to eq 48
     end
   end
+
+
+  describe 'is_current?' do
+    let(:past_event) { create(:event, program: conference.program) }
+    let(:future_event) { create(:event, program: conference.program) }
+
+    before do
+      event.update_attributes(start_time: "#{Time.current}")
+      past_event.update_attributes(start_time: "#{Time.current - 2.days}")
+      future_event.update_attributes(start_time: "#{Time.current + 2.days}")
+    end
+
+    it 'returns false for a completed event' do
+      expect(past_event.is_current?).to be_falsey
+    end
+
+    it 'returns false for a future event' do
+      expect(future_event.is_current?).to be_falsey
+    end
+
+    it 'returns true for a current event' do
+      expect(event.is_current?).to be_truthy
+    end
+  end
+
 end